先天性无牙(Anodontia)又称先天性缺牙,是一种先天性牙胚发育异常疾病,常伴有汗腺、毛发等其他外胚层发育不全综合征,又称Wedderburn综合征。根据乳牙、恒牙列、牙胚的缺失情况,将无牙畸形分成全口无牙和部分缺牙两型[1]。全口完全性无牙十分罕见,临床上多见部分性缺牙2～... Congenital toothless (Anodontia), also known as congenital edentulous teeth, is a congenital tooth germ dysplasia, often accompanied by sweat glands, hair and other ectodermal syndrome, also known as Wedderburn syndrome. According to the deciduous teeth, permanent dentition, the lack of tooth germs, toothless deformity will be divided into full mouth toothless and partial edentulous two types [1]. Totally complete toothless is very rare, some of the more clinically edentulous 2 ~ ...